Types of Transmission
Which type of transmission is conveyed from person to person?
direct transmission
What is an informal name for an epidemiologist?
Disease Detective
the chain of infection explains ____ of pathogen
transmission
Louis Pasteur =
Germ Theory
Pasteurization
Forefathers of public health
-Number of people in area are infected higher than normal
-w/in community, population, region
-ex/ obesity, influenza
epidemic
Which type of transmission is conveyed through an intermediate such as a doorknob or clothing?
indirect transmission
What are the two characteristics that define the field of epidemiology?
distribution and determinants
Name all four types of pathogens and an example for each
Bacteria, virus, parasite, fungus
Dr Ignaz Semmelweis =
Obstetrician in Austria/Hungary
Solved puerperal fever in maternity ward
Handwashing
Tireless advocate for cleanliness and research
Epidemic spread across countries and continents
pandemic
Which type of transmission is conveyed via droplets of dust particles?
airborne transmission
_____ is to stop or slow the spread of disease
Prevention
The first known case in an outbreak is called _______
patient zero
Who is the grandfather of epidemiology?
What was his claim to fame?
Sir Percivall Pott, British Physician
Environmental factors can cause cancer (carcinogens in chimney sweeps)
Belongs to a particular population, constant presence of disease, low level, geographically confined
endemic
Which type of transmission allows the infectious agent to travel via an arthropod like a mosquito?
vector-borne transmission
Who was the father of epidemiology?
What was his claim to fame?
Where was he from?
Dr. John Snow, Physician
Solved cholera epidemic
London, England
Name three common diseases associated with bacteria transmission
Streptococcus (throat), E Coli, TB, food poisoning, UTIs (urinary tract infection), pneumonia (respiratory)
John Snow is the father of epidemiology.
What disease did he prevent and how did he do it?
Cholera (bacteria)
Mapping, research, direct outreach, advocacy, and lot of hard work and persistence!
COVID-19 is a pandemic caused by what specific pathogen?
Name three modes of transmission
coronavirus
airborne, surface, direct deposit
True or False?
Asymptomatic means you don't spread the disease, but exhibit signs of the disease.
Explain your reasoning.
False
Why: No signs but still a carrier and can spread too
What is the main target of epidemiology that involves age, gender, ethnicity, and background?
group or population
the pathogen infects the ____
host
Edward Jenner was a British physician.
What disease did he research before conquering small pox?
cowpox
What were Dr Iggy's most effective methods of prevention of puerperal fever (bacterial) disease besides handwashing? Provide two examples
Using an effective chlorine solution to wipe surfaces
Convincing his medical colleagues that midwives were not infecting patients by not contacting surfaces and patients that had bacteria
Conducting tireless research to prove his methods work